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+## Participation à un bet 
+
+```plantuml
+@startuml
+title Participation à un Bet - Diagramme de séquence
+actor Creator as Crt
+actor User as Usr
+participant ":Application" as App
+participant ":Web Api" as Api
+
+  Crt -> App : createBet
+  App -> Api : createBet
+  Api --> App : response
+  
+  Usr -> App : participate
+  App -> Api : participateToBet
+  Api --> App : response
+  
+  group When [End bet date has passed]
+    Api --> App : retrieveBetToConfirm
+    App --> Crt : requestConfirmation
+    
+    alt confirmAnswer
+      Crt -> App : confirmAnswer
+      App -> Api : confirmAnswer
+      Api --> App : response
+      App -> Usr : displayResult
+      
+    else 
+      group When [Has been 1 week]
+        Api --> Api : refundUsers
+        Api --> Api : endBet
+      end
+    end
+  end
+@enduml
+```
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